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Boron Rod

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Composition: B Form: Rod Material: Boron CAS Number: 7440-42-8 Commodity: Metals
Boron Rod combines high hardness, low density, and excellent chemical stability, making it a robust choice for high-performance applications in aggressive or high-temperature environments. Its strong covalent bonding results in remarkable thermal resistance and structural integrity, even under mechanical stress. Industries such as advanced manufacturing, aerospace, and energy systems rely on boron rods for their durability and lightweight advantages. Specific applications include precision components in high-temperature furnaces, wear-resistant parts in tooling systems, and reinforcement elements in specialized composite structures. Research continues to explore boron’s role in functional materials, such as doped ceramics and high-strength alloys, expanding its potential in nanotechnology and electronic systems. The combination of physical resilience, low mass, and adaptability underpins boron rod’s value as a material of choice in scientific exploration and industrial innovation, particularly where performance must be maintained under extreme operational demands.
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Material Properties

Atomic Properties
Element Value
Atomic number 5
Crystal structure Tetragonal
Electronic structure He 2s² 2p¹
Valences shown 3
Atomic weight( amu ) 10.81
Thermal neutron absorption cross-section( Barns ) 672
Photo-electric work function( eV ) 4.5
Natural isotope distribution( Mass No./% ) 11/ 80.2
Natural isotope distribution( Mass No./% ) 10/ 19.8
Atomic radius - Goldschmidt( nm ) 0.097
Ionisation potential( No./eV ) 4/ 259
Ionisation potential( No./eV ) 2/ 25.2
Ionisation potential( No./eV ) 1/ 8.30
Ionisation potential( No./eV ) 5/ 340
Ionisation potential( No./eV ) 337.9
Mechanical Properties
Element Value
Hardness - Mohs 9.5
Material condition Arc melted
Tensile modulus( GPa ) 441
Tensile strength( MPa ) 1580-2410
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 1.8x10¹²@27°C
Physical Properties
Element Value
Boiling point( C ) 3700
Density( gcm⁻³ ) 2.34-2.37@20°C
Thermal Properties
Element Value
Melting point( C ) 2180
Latent heat of evaporation( J g⁻¹ ) 35000
Latent heat of fusion( J g⁻¹ ) 2090
Specific heat( J K⁻¹ kg⁻¹ ) 1030@25°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 8.3@0-100°C
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Available Configurations

Properties common to all products in this list

Composition: B Form: Rod Material: Boron CAS Number: 7440-42-8 Commodity: Metals

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Tolerances

Rod
Diameter =<10mm ±10%
Diameter >10mm ±5%